Overview

bhi Ltd Ground Breaker

bhi Ltd Ground Breaker is an audio pass-through, RF blocking device that can solve the unusual dilemma of distorted audio bleed-through cause by RFI. First, you tried to provide a better ground system, wrapping the audio leads round ferrite rings, clamping ferrite beads onto the cables, running your systems on different power supplies, and you have checked the connections. If RF is still getting into the audio, the Ground Breaker may be the final solution. It totally isolates the ground of your accessory audio equipment from those of the radio system.

Ground Breaker units come in impedances covering the main values of 10,000 ohm, 600 Ohm and 8 ohm that are used in most audio systems. Line level units can handle up to 100mW and the 8 ohm speaker units can handle up to 500 mW of audio.

The Ground Breaker is simple to install. Simply plug the unit into the appropriate socket on your radio and then plug the audio accessory, such as the DSP or powered speaker into the socket on the Ground Breaker. The direction of connection doesn't matter; the unit works both ways with either the radio or the audio unit connected to the socket or the plug. Do not add extensions and try to keep the leads as short as possible to minimize RF pickup off the air.

Sometimes, proper grounding of devices doesn't take care of that one nagging, RF bleed-through problem. In that case, use a bhi Ground Breaker audio RF blocking device from DX Engineering.

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